13.11.5 System Services Availability when Accessed Externally and Device is Protected

External access: Access performed in the DSU address offset 0x100-0x1FFF range.

Internal access: Access performed in the DSU address offset 0x000-0x0FF range.

Table 13-4. Available Features when Operated From The External Address Range and Device is Protected
FeaturesAvailability From The External Address Range and Device is Protected
Chip-Erase command and statusYes, as long as the NVMCTRL SCEHL command is not issued, otherwise No.
CRC32Yes, only full array or full Data Flash section
CoreSight Compliant Device identificationYes
Debug communication channelsYes
STATUSA.CRSTEXT clearingNo (STATUSA.PERR is set when attempting to do so)